[Elecraft] K2 Setting AF filter via CAT

2021-03-05 Thread Paul Wilton
I’m looking at how to change the AF filter setting on my K2 via CAT commands 
from N1MM+.  I have the KDSP2 unit fitted

The use case I have is that I want to use the spare radio buttons on the N1MM+ 
band map window to set up two configurations whilst CW contesting
a)  XFIL 2 + CF2 (ie a wide setting)
b)  XFIL 4 + CF4 (ie a narrow setting)

All I can do on N1MM+ is put in a string of commands, I cannot do anything that 
sends a command that changes dynamically to a response from the radio

Looking in the programming guide, I can see how to change XFIL using the FW 
command.  However, the only way I can see to change the AF filter is via the SW 
command which is the equivalent of the AF button cycling through the settings.  
 

Is there another way I have overlooked that can set the AF settings to a 
specific value?

73

Paul
M1CNK
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Re: [Elecraft] Help with the KX3 and FT8

2021-03-05 Thread Tim Tucker
Using FT8 with the KX3 is pretty simple.  I've used it with both the
standard USB and USB DATA A mode.  Hook it up just like any other digital
mode, adjust the volume on the rig and level out on the PC, look at the
meter settings in the software and make contacts.

Don't make it more complicated than it is - try it, adjust, and have fun.

On Fri, Mar 5, 2021 at 4:55 PM Alan Geller via Elecraft <
elecraft@mailman.qth.net> wrote:

> With FT8 coming on strong as a popular communications and testing tool, it
> is
> tempting to dedicate your KX3 to this mode for a slice of time each day.
> There has been little to no
> update info for the KX3 with popular sound card interfaces (eg Signalink)
> as well as suggested
> settings for the KX3 and WTSJ-x itself. A little info would be very much
> appreciated from Elecraft or a crafty
> experienced user. Thanks in advance. alan….K6ADG
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Re: [Elecraft] Help with the KX3 and FT8

2021-03-05 Thread Jim Rhodes
I did very little to set up FT modes on my KX3. Got a cheap USB sound card
with a line in jack. Use 2 stereo audio cables with 3.5 mm plugs at each
end. One from phones jack on KX3 to line in on sound card, Other cable goes
from mic connector on KX3 to speaker jack of sound card. Set mode to Data,
set submode to Data A. Using WSJT-X there is a rig selection for Elecraft
KX3. I set it up for CAT PTT if I remember correctly. Once you have the rig
set properly you need to set the levels, I find it is best to set both the
WSJT-X level slider about a third of the way up and the output level of the
sound card similarly. Then using the Tune button in WSJT-X adjust the
MIC/LINEIN pot on the KX3 to get 4 solid bars of ALC with the 5th one just
flashing then use Power setting to adjust output level. Adjust output level
to your sound card for a reasonable level on the waterfall display.

On Fri, Mar 5, 2021 at 6:56 PM Alan Geller via Elecraft <
elecraft@mailman.qth.net> wrote:

> With FT8 coming on strong as a popular communications and testing tool, it
> is
> tempting to dedicate your KX3 to this mode for a slice of time each day.
> There has been little to no
> update info for the KX3 with popular sound card interfaces (eg Signalink)
> as well as suggested
> settings for the KX3 and WTSJ-x itself. A little info would be very much
> appreciated from Elecraft or a crafty
> experienced user. Thanks in advance. alan….K6ADG
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[Elecraft] Help with the KX3 and FT8

2021-03-05 Thread Alan Geller via Elecraft
With FT8 coming on strong as a popular communications and testing tool, it is 
tempting to dedicate your KX3 to this mode for a slice of time each day. There 
has been little to no
update info for the KX3 with popular sound card interfaces (eg Signalink) as 
well as suggested
settings for the KX3 and WTSJ-x itself. A little info would be very much 
appreciated from Elecraft or a crafty
experienced user. Thanks in advance. alan….K6ADG
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Re: [Elecraft] [KX3] Digital modes: proper ALC for full output power?

2021-03-05 Thread Julia Tuttle
Ah, okay, the manual didn't tell the whole story. I assumed if I got 0-1
bars, I was loud enough to hit full output power. I tried aiming for 4-5
bars and I'm getting full output power. Thanks to the folks who suggested
that!

So while I'm here, is it okay to run 15 W out for 15 seconds straight at a
50% duty cycle? The manual recommends 5 W, but FT8's duty cycle seems to
keep my PA temperature under 45 C. Are there other issues besides
temperature I need to worry about?

On Thu, Mar 4, 2021 at 9:36 PM Bill Frantz  wrote:

> Hi Julia -
>
> Running the Transmit Gain procedure (page 33 in my manual) is
> the usual first thing to do when the power output seems "wanky".
>
> The general recommendation for drive level from the computer is
> 4 bars with the 5th flashing. If the drive level is too low, the
> output power will start off low and then build to the power
> output setting on the radio. If the drive level is 4 bars with
> the 5th flashing, the radio will start close to the power output setting.
>
> If the drive level is too high, you will drive the radio into
> using automatic level control which will produce a distorted
> signal on the air.
>
> If the output power is stablising at levels lower than the
> setting, try the Transmit Gain calibration procedure.
>
> 73 Bill AE6JV
>
> On 3/4/21 at 2:35 PM, ju...@juliatuttle.net (Julia Tuttle) wrote:
>
> >I'm trying to get my KX3 set up for FT8 and JS8call and all those fun
> >modes, and I'm running into a bit of trouble with setting the audio
> >interface volume and mic gain.
> >
> >The KX3 manual suggests aiming for no more than 3-4 bars of ALC indication
> >to prevent distortion, but if I do this, I don't always get full output
> >power.
> >
> >Initially I chalked this up to the firmware reducing output power from
> >heat, but it's proportional: if I ask for 10 W, I get 7; if I ask for 5, I
> >get 3, and so on.
> >
> >It also doesn't always happen!
> >
> >Any ideas?
> >
> >73s,
> >
> >Julie
> -
> Bill Frantz| Airline peanut bag: "Produced  | Periwinkle
> (408)348-7900  | in a facility that processes   | 150
> Rivermead Rd #235
> www.pwpconsult.com | peanuts and other nuts." - Duh |
> Peterborough, NH 03458
>
>
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